Package weka.filters.unsupervised.instance.instanceweightsmodifiers

Interface InstanceWeightsModifier

All Superinterfaces:

Serializable

All Known Implementing Classes:

AbstractInstanceWeightsModifier, AbstractRangeBasedInstanceWeightsModifier, FixedValue, FromAttribute, FromFile, PassThrough

public interface InstanceWeightsModifier
extends Serializable

Interface for algorithms that modify instance weights.

Author:

fracpete (fracpete at waikato dot ac dot nz)

Method Summary

Modifier and Type	Method	Description
weka.core.Instances	determineOutputFormat(weka.core.Instances inputFormat)	Returns the new output format.
weka.core.Instances	modifyInstanceWeights(weka.core.Instances data)	Modifies the instance weights.

Method Detail

determineOutputFormat

weka.core.Instances determineOutputFormat(weka.core.Instances inputFormat)
                                   throws Exception

Returns the new output format.

Parameters:

inputFormat - the input format, before applying the weights

Returns:

the output format, after applying the weights

Throws:

Exception - if determination fails

modifyInstanceWeights

weka.core.Instances modifyInstanceWeights(weka.core.Instances data)
                                   throws Exception

Modifies the instance weights.

Parameters:

data - the data to process

Returns:

the modified data

Throws:

Exception